Rippin Posted April 9, 2013 Share Posted April 9, 2013 I have a fresh Minecraft install and the most up-to-date Java download but I keep getting this message when I run Minecraft: There was a fatal error starting up minecraft and FML. Minecraft cannot launch in it's current configuration. here's my ForgeModLoader-client-0.log 2013-04-09 17:08:59 [iNFO] [ForgeModLoader] Forge Mod Loader version 5.1.8.611 for Minecraft 1.5.1 loading 2013-04-09 17:08:59 [iNFO] [ForgeModLoader] Java is Java HotSpot Client VM, version 1.7.0_17, running on Windows 7:x86:6.1, installed at C:\Program Files\Java\jre7 2013-04-09 17:08:59 [FINE] [ForgeModLoader] Java classpath at launch is /C:/Users/Randall/Desktop/MagicLauncher.exe 2013-04-09 17:08:59 [FINE] [ForgeModLoader] Java library path at launch is bin/natives 2013-04-09 17:08:59 [FINE] [ForgeModLoader] Enabling runtime deobfuscation 2013-04-09 17:08:59 [FINEST] [ForgeModLoader] All core mods are successfully located 2013-04-09 17:08:59 [FINEST] [ForgeModLoader] Discovering coremods 2013-04-09 17:08:59 [FINEST] [ForgeModLoader] Found a candidate coremod CodeChickenCore-Public-src.jar 2013-04-09 17:08:59 [WARNING] [ForgeModLoader] Found an un-manifested jar file in the coremods folder : CodeChickenCore-Public-src.jar, it will be ignored. 2013-04-09 17:08:59 [FINEST] [ForgeModLoader] Found a candidate coremod NotEnoughItems 1.4.5.1.jar 2013-04-09 17:08:59 [FINEST] [ForgeModLoader] Loading coremod NotEnoughItems 1.4.5.1.jar 2013-04-09 17:08:59 [WARNING] [ForgeModLoader] The coremod codechicken.nei.asm.NEICorePlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft 2013-04-09 17:08:59 [FINEST] [ForgeModLoader] Loaded coremod NotEnoughItems 1.4.5.1.jar 2013-04-09 17:08:59 [FINEST] [ForgeModLoader] Found library file argo-small-3.2.jar present and correct in lib dir 2013-04-09 17:08:59 [FINEST] [ForgeModLoader] Found library file guava-14.0-rc3.jar present and correct in lib dir 2013-04-09 17:08:59 [FINEST] [ForgeModLoader] Found library file asm-all-4.1.jar present and correct in lib dir 2013-04-09 17:08:59 [FINEST] [ForgeModLoader] Found library file bcprov-jdk15on-148.jar present and correct in lib dir 2013-04-09 17:08:59 [FINEST] [ForgeModLoader] Found library file deobfuscation_data_1.5.1.zip present and correct in lib dir 2013-04-09 17:09:00 [FINEST] [ForgeModLoader] Found library file scala-library.jar present and correct in lib dir 2013-04-09 17:09:00 [sEVERE] [ForgeModLoader] A critical problem occured registering the ASM transformer class cpw.mods.fml.common.asm.transformers.DeobfuscationTransformer java.lang.ClassNotFoundException: cpw.mods.fml.common.asm.transformers.DeobfuscationTransformer at cpw.mods.fml.relauncher.RelaunchClassLoader.findClass(RelaunchClassLoader.java:211) at java.lang.ClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at cpw.mods.fml.relauncher.RelaunchClassLoader.registerTransformer(RelaunchClassLoader.java:96) at cpw.mods.fml.relauncher.RelaunchLibraryManager.handleLaunch(RelaunchLibraryManager.java:278) at cpw.mods.fml.relauncher.FMLRelauncher.setupHome(FMLRelauncher.java:172) at cpw.mods.fml.relauncher.FMLRelauncher.relaunchClient(FMLRelauncher.java:104) at cpw.mods.fml.relauncher.FMLRelauncher.handleClientRelaunch(FMLRelauncher.java:38) at net.minecraft.client.Minecraft.main(Minecraft.java:2228) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at magic.launcher.Launcher.main(Unknown Source) Caused by: java.lang.NoClassDefFoundError: net/minecraftforge/event/Event at net.minecraftforge.transformers.EventTransformer.buildEvents(EventTransformer.java:59) at net.minecraftforge.transformers.EventTransformer.transform(EventTransformer.java:35) at cpw.mods.fml.relauncher.RelaunchClassLoader.runTransformers(RelaunchClassLoader.java:292) at cpw.mods.fml.relauncher.RelaunchClassLoader.findClass(RelaunchClassLoader.java:199) ... 13 more Caused by: java.lang.ClassNotFoundException: net.minecraftforge.event.Event at cpw.mods.fml.relauncher.RelaunchClassLoader.findClass(RelaunchClassLoader.java:211) at java.lang.ClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) ... 17 more Caused by: java.lang.AbstractMethodError at cpw.mods.fml.relauncher.RelaunchClassLoader.runTransformers(RelaunchClassLoader.java:292) at cpw.mods.fml.relauncher.RelaunchClassLoader.findClass(RelaunchClassLoader.java:199) ... 19 more 2013-04-09 17:09:00 [FINEST] [ForgeModLoader] Running coremod plugins 2013-04-09 17:09:00 [FINEST] [ForgeModLoader] Running coremod plugin FMLCorePlugin Any help is appreciated Quote Link to comment Share on other sites More sharing options...
Malivil Posted April 9, 2013 Share Posted April 9, 2013 You have an old version of NEI in your coremods folder (along with the CodeChickenCore src jar, which isn't a mod and shouldn't be there). Delete both of these things and it should work fine. Quote Link to comment Share on other sites More sharing options...
Rippin Posted April 10, 2013 Author Share Posted April 10, 2013 Wow, I can't believe it was such a simple mistake... This is the first time I've had a problem with forge so I thought it was something completely more difficult to fix. Quote Link to comment Share on other sites More sharing options...
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